QUESTION 3 Find the area between the graphs of y = 4 - x and y = -x2 + 6. O 4.8 O 5.5 O 4.5 0 7.8 QUESTION 4 Which of the following best represents the area bounded by y = 3x and y = x2 O -4.5 O 4.5 O 10.67 O -10.67QUESTION 5 Paul calculated that his income for the current year is $80,000. If his annual income is increasing at a rate of S (t) = 500(1.4) ' dollars per year, estimate Paul's income after 10 years. O $94,493 O $ 94,363 O $ 121,497 O $ 101.283 QUESTION 6 The temperature on a hot Fall day is changing at a rate R (1) =2(0.5) ' measured in (degrees Celsius) per hour, where t is measured in hours since 6 AM. Estimate the temperature at 2 PM, given that the temperature at 6 AM is 22 " O 24.87 O 26.59 * O 26.74 * O 26.69 "QUESTION 7 Approximate - 2d using a left-hand sum with n = 4. O 126 O 86 O 117 O 105 QUESTION 8 6 3 Estimate d with a right hand sum using n=3 subintervals. + 4 0 O 8.6 O 4.3 O 6.4 O 7.0